Improved fertilize from excrementrs



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FRIEDRICH WIOKE, OE BOOKENHEIM, JULIUS BRENNER, THEODOR PETERSEN, AND JOHANN GEORG ZEH FUSS, OF FRANKFORT-ON-THE-MAIN, PRUSSIA.

' Letters Patent Nb. 10o,347, dated March 1,1870;

M IMPROVED PER'I'ILIZE PROM EXCREMENTRS. M

The Schedule referred to in these Letters Patent and making part of the same. We, FRIEDRICH \VIGKE of Bockenheim Prussia its com Jlete disinfectio 7 r a l dorizing substances, such, for instance, as calcined THEODOR PETERSEN, chemist, and JOHANN GEoRG earth.

ZEHFUSS, professor, all of Frankfort-on-the-Main, in Claim the Kingdom of Prussia, have invented an Improved Method of Converting Human Excrements into a We claim as our invention- Scentless, Dry, Guano-like, and easily transportable The concentration of the excrements in vacuo and body or substance, while preserving all their fertilizing the passing of hot gases from fire-places through the properties, of which theibllowing is a specification. excrem'ents, with or without addition of disinfecting The object of our invention is to convert human exsubstances;

crements into a scentless, dry, guano-like, and easiiy FR. WIOKE,

transportable body or substance, while preserving all JULIUS BRON N ER.

their fertilizing properties. THEODOR PETERSEN.

Vte attain our object by concentrating the excre- DR. G. ZEHFUSS.

meats in vacuo by means of steam and of products of combustion, led in a heated state direct from the fire Witnesses:

places into the receptacle containing the excrements. U. VALENTINE KERTEL We mix the mass as much as may be necessary to GEORG SARTORI.

n, adding disinfecting or deo- 

